The lock body is made of stainless steel, the surface treatment is stainless steel natural color brushed. IP67 waterproof, shockproof, dustproof, ash-proof, and moisture-proof. You can install it indoors or outdoors at will, even if it is rainy and windy, the function will not be affected in any way, you can also lock and unlock it flexibly and smoothly.Different from traditional locks, our passive cabinet locks use built-in smart passive electronic lock cores powered by smart keys. That is to say, the lock itself has no power supply support. The key is the core of power. When the key is used to unlock, the key will release the power to connect to the lock to realize the unlocking function.Passive cabinet locks adopt strict digital encryption and wireless communication technology, only pass the bi-verification, the key can unlock lock successfully. The lock has the same dimension as traditional lock, so it is easy and convenient to install. Widely used in offices, filing cabinets, toolboxes, bank lockers, showcases, power boxes, etc. where absolute safety is required.Every function is to maintain the safety of the use scene to the greatest extent. Multiple protection of overvoltage and overcurrent, AES128 encryption, contact Bi-verification, a record of switch lock, blacklist, and realize one key to open multiple locks and unified management of the time limit and authority of maintenance personnel.We provide the system software to set the authority to unlock the corresponding door lock uniformly, and use it within the effective time of the authority. The unlock lock record is clear at a glance, scheduling, tracking, monitoring whom, when, and where to unlock the lock. Responsibility traced to the individual. Provide more efficient and scientific management for you and your work.